Optimizing: Speed up SSA Liveness Analysis.

Add some functions from `BitVector` to `BitVectorView<>`
and use this to speed up the `SsaLivenessAnalysis` pass.

Test: m test-art-host-gtest
Test: testrunner.py --host --optimizing
Bug: 331194861
Change-Id: I5bca36da7b4d53a3d5e60f45530168cf20290120

1 files changed, 5 insertions, 5 deletions

diff --git a/compiler/optimizing/liveness_test.cc b/compiler/optimizing/liveness_test.cc
index 0b421cf9e6..1e4ef8f867 100644
--- a/compiler/optimizing/liveness_test.cc
+++ b/compiler/optimizing/liveness_test.cc
@@ -33,14 +33,14 @@ class LivenessTest : public CommonCompilerTest, public OptimizingUnitTestHelper
   void TestCode(const std::vector<uint16_t>& data, const char* expected);
 };
 
-static void DumpBitVector(BitVector* vector,
+static void DumpBitVector(BitVectorView<size_t> vector,
                           std::ostream& buffer,
                           size_t count,
                           const char* prefix) {
   buffer << prefix;
   buffer << '(';
   for (size_t i = 0; i < count; ++i) {
-    buffer << vector->IsBitSet(i);
+    buffer << vector.IsBitSet(i);
   }
   buffer << ")\n";
 }
@@ -59,11 +59,11 @@ void LivenessTest::TestCode(const std::vector<uint16_t>& data, const char* expec
   for (HBasicBlock* block : graph->GetBlocks()) {
     buffer << "Block " << block->GetBlockId() << std::endl;
     size_t ssa_values = liveness.GetNumberOfSsaValues();
-    BitVector* live_in = liveness.GetLiveInSet(*block);
+    BitVectorView<size_t> live_in = liveness.GetLiveInSet(*block);
     DumpBitVector(live_in, buffer, ssa_values, "  live in: ");
-    BitVector* live_out = liveness.GetLiveOutSet(*block);
+    BitVectorView<size_t> live_out = liveness.GetLiveOutSet(*block);
     DumpBitVector(live_out, buffer, ssa_values, "  live out: ");
-    BitVector* kill = liveness.GetKillSet(*block);
+    BitVectorView<size_t> kill = liveness.GetKillSet(*block);
     DumpBitVector(kill, buffer, ssa_values, "  kill: ");
   }
   ASSERT_STREQ(expected, buffer.str().c_str());